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Finding the Fourth Proportional to 227,109.64, 313,411.32 and 131,671.72

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Solution

The fourth proportional to 227,109.64, 313,411.32 and 131,671.72 is: 181,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,109.64 : 313,411.32 = 131,671.72 : x
  2. Step 2: Convert to fraction form
    227,109.64/313,411.32 = 131,671.72/x
  3. Step 3: Cross multiply
    227,109.64x = 313,411.32 × 131,671.72
  4. Step 4: Simplify right side
    227,109.64x = 41,267,407,571.87
  5. Step 5: Solve for x
    x = 41,267,407,571.87/227,109.64
  6. Step 6: Final answer
    x = 181,706.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.